Animals are God's creatures, ...

Animals are God's creatures, not human property, nor utilities, nor resources, nor commodities, but precious beings in God's sight. ...Christians whose eyes are fixed on the awfulness of crucifixion are in a special position to understand the awfulness of innocent suffering. The Cross of Christ is God's absolute identification with the weak, the powerless, and the vulnerable, but most of all with unprotected, undefended, innocent suffering.
 Andrew Linzey

Quotes from the same author

For if animals are God's creatures, we have no absolute rights over them, only the duty to look after them as God would look after them. To stand with Jesus is to reject our view of ourselves as gods and lords of creation. We are to honor life for the sake of the Lord of life.
 Andrew Linzey
The point to be grasped from the saintly tradition is that to love animals is not sentimentality (as we know it) but true spirituality. Of course there can be vain, self-seeking loving, but to go (sometimes literally) out of our way to help animals, to expend effort to secure their protection and to feel with them their suffering and to be moved by it-these are surely signs of spiritual greatness.
 Andrew Linzey
If tomorrow we decided only to desist from killing and causing suffering for sport and entertainment, the world would be significantly better for animals. Even this we have failed to achieve.
 Andrew Linzey
We can't change the world for animals without changing our ideas about animals. We have to move from the idea that animals are things, tools, machines, commodities, resources here for our use to the idea that as sentient beings they have their own inherent value and dignity.
 Andrew Linzey